2008 INFINITI FX35 check engine

LU-6
< SERVICE INFORMATION >[VQ35DE]
ENGINE OIL
WARNING:
• Be careful not to get burn your
self, as engine oil may be hot.
 Oil pressure check should be done in “Parking position”.
1. Check the engine oil level. Refer to "ENGINE OIL LEVEL".
2. Remove front engine undercover with power tool.
3. Disconnect harness connector at oil pressure sensor, and remove oil pressure sensor using deep socket (commercial ser-
vice tool).
CAUTION:
Do not drop or shock oil pressure switch.
4. Install the oil pressure gauge (SST) and hose (SST).
5. Start the engine and warm it up to normal operating temperature.
6. Check the engine oil pressure with engine running under no-load. NOTE:
When the engine oil temperature is low, the engine oil pressure becomes high.
Engine oil pressure [Engi ne oil temperature at 80 °C (176 °F)]
Unit: kPa (kg/cm2, psi)
If difference is extreme, check engine oil passage and oil pump for engine oil leaks.
7. After the inspections, install oil pressure switch as follows:
a. Remove old liquid gasket adhering to oil pressure switch and the mating surface.
b. Apply liquid gasket and tighten oil pressure switch to the specification. Use Genuine RTV Silicone Seal ant or equivalent. Refer to GI-44, "
Recommended Chemical Prod-
uct and Sealant".
SBIA0452E
SBIA0453E
SLC926
Engine speed Approximate discharge pressure
Idle speed More than 98 (1.0, 14)2,000 rpm More than 294 (3.0, 43)
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ENGINE OILLU-7
< SERVICE INFORMATION > [VQ35DE]
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Oc. After warming up engine, make sure there is no leakage of engine oil with running engine.
Changing Engine OilINFOID:0000000001325814
WARNING:
 Be careful not to get burn yourself, as engine oil may be hot.
 Prolonged and repeated contact with used engine
oil may cause skin cancer. Try to avoid direct skin
contact with used engine oil. If skin contact is made, wash thorough ly with soap or hand cleaner as
soon as possible.
1. Remove front engine undercover with power tool.
2. Warm up the engine, and check for engine oil leakage from engine components. Refer to LU-5, "
Inspec-
tion".
3. Stop the engine and wait for 10 minutes.
4. Loosen oil filler cap and then remove drain plug.
5. Drain engine oil.
6. Install drain plug with new washer. Refer to EM-30, "
Component (2WD Models)".
CAUTION:
Be sure to clean drain plug and install with new washer.
7. Refill with new engine oil. Engine oil specificat ion and viscosity:
Refer to MA-9, "
Fluids and Lubricants".
Engine oil capacity (Approximate):
Unit: (US qt, lmp qt)
CAUTION:
 When filling engine oil, do not pull out oil level gauge.
 The refill capacity depends on the engine oi l temperature and drain time. Use these specifica-
tions for reference only.
 Always use oil level gauge to determine the proper amount of engine oil in engine.
8. Warm up the engine and check area around drain plug and oil filter for engine oil leakage.
9. Stop the engine and wait for 10 minutes.
10. Check the engine oil level. Refer to LU-5, "
Inspection".
Oil pressure switch:
: 14.8 N·m (1.5 kg-m, 11 ft-lb)
Oil pan drain plug: : 34.3 N·m (3.5 kg-m, 25 ft-lb)
Drain and refill With oil filter change 4.7 (5, 4-1/8)
Without oil filter change 4.4 (4-5/8, 3-7/8)
Dry engine (Overhaul) 5.4 (5-3/4, 4-3/4)
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LU-8
< SERVICE INFORMATION >[VQ35DE]
OIL FILTER
OIL FILTER
Removal and InstallationINFOID:0000000001325815
REMOVAL
1. Remove front engine undercover with power tool.
2. Using oil filter wrench (SST), remove oil filter.
CAUTION:
 Oil filter is provided with relief valve. Use Genuine NissanOil Filter or equivalent.
 Be careful not to get burned when engine and engine oil may be hot.
 When removing, prepare a sh op cloth to absorb any
engine oil leakage or spillage.
 Do not allow engine oil to adhere to drive belts.
 Completely wipe off any engine oil that adheres to engine
and vehicle.
INSTALLATION
1. Remove foreign materials adhering to oil filter installation surface.
2. Apply engine oil to the oil seal contact surface of new oil filter.
3. Screw oil filter manually until it touches the installation surface,
then tighten it by 2/3 turn. Or tighten to the specification.
INSPECTION AFTER INSTALLATION
1. Check the engine oil level. Refer to LU-5, "Inspection".
SBIA0454E
SBIA0455E
SMA010
Oil filter:
: 17.7 N·m (1.8 kg-m, 13 ft-lb)
SMA229B
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OIL FILTERLU-9
< SERVICE INFORMATION > [VQ35DE]
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2. Start the engine, and check there is no leak of engine oil.
3. Stop the engine and wait for 10 minutes.
4. Check the engine oil level, and adjust the level. Refer to
LU-5, "
Inspection".
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OIL FILTER BRACKET (AWD)LU-11
< SERVICE INFORMATION > [VQ35DE]
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 Align cutout on oil cooler with protrusion on oil filter bracket. Refer to
LU-13, "Removal and Installation".
INSPECTION AFTER INSTALLATION
1. Check the engine oil level and add engine oil. Refer to LU-5, "Inspection".
2. Start the engine, and check there is no leak of engine oil.
3. Stop the engine and wait for 10 minutes.
4. Check the engine oil level again. Refer to LU-5, "
Inspection".
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LU-14
< SERVICE INFORMATION >[VQ35DE]
OIL COOLER
6. Remove water pipes, as necessary.
INSPECTION AFTER REMOVAL
Oil Cooler
Check oil cooler for cracks. Check oi
l cooler for clogging by blowing through engine coolant inlet. If necessary,
replace oil cooler.
Relief Valve
Inspect relief valve for movement, cracks and breaks by pushing ball. If replacement is necessary, remove
relief valve by prying it out with a suitable tool. Install a new relief valve in place by tapping it.
INSTALLATION
Note the following, and install in the reverse order of removal.
 Make sure that no foreign objects are adhering to the installation planes of oil cooler, oil pan (upper) (2WD models) or oil cooler bracket (AWD models).
2WD Models
Align cutout on oil cooler with protrusion on oil pan (upper) side, and
tighten connector bolt.
AWD Models
Align cutout on oil cooler with protrusion on oil cooler bracket side,
and tighten connector bolt.
INSPECTION AFTER INSTALLATION
1. Check the engine oil level and the engine coolant level and add engine oil and engine coolant. Refer to
LU-5, "
Inspection" and refer to CO-10, "Inspection".
2. Start the engine, and check there is no leaks of engine oil or engine coolant.
3. Stop the engine and wait for 10 minutes.
4. Check the engine oil level and the engine coolant level again. Refer to LU-5, "
Inspection" and refer to CO-
10, "Inspection".
SBIA0459E
SBIA0460E
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OIL PUMPLU-15
< SERVICE INFORMATION > [VQ35DE]
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OIL PUMP
ComponentINFOID:0000000001325820
Removal and InstallationINFOID:0000000001325821
REMOVAL
1. Remove oil pans (lower and upper) and oil strainer. Refer to
EM-30, "Component (2WD Models)".
2. Remove front timing chain case and timing chain (primary). Refer to EM-64, "
Component".
3. Remove oil pump assembly.
INSTALLATION
CAUTION:
Before installation, apply new engine oil to the parts as instructedin the figure.
Note the following, and install in the reverse order of removal.
 When installing, align crankshaft flat faces with oil pump inner rotor flat faces.
INSPECTION AFTER INSTALLATION
1. Check the engine oil level. Refer to LU-5, "Inspection".
2. Start the engine, and check there is no leaks of engine oil.
3. Stop the engine and wait for 10 minutes.
4. Check the engine oil level and adjust the level. Refer to LU-5, "
Inspection".
Disassembly and AssemblyINFOID:0000000001325822
DISASSEMBLY
1. Remove oil pump cover.
2. Remove oil pump inner rotor and oil pump outer rotor from oil pump body.
3. After removing regulator valve plug, remove regulator valve spring and regulator valve.
INSPECTION AFTER DISASSEMBLY
Oil Pump Clearance
1. Oil pump body 2. Oil pump outer rotor 3. Oil pump inner rotor
4. Oil pump cover 5. Regulator valve plug 6. Regulator valve spring
7. Regulator valve
SBIA0481E
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3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

ENGINE OILLU-23
< SERVICE INFORMATION > [VK45DE]
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ENGINE OIL
InspectionINFOID:0000000001325829
ENGINE OIL LEVEL
NOTE:
Before starting engine, put vehicle horizontally and check
the engine oil level. If engine is already started, stop
it and allow 15 minutes before checking.
1. Pull out oil level gauge and wipe it clean.
2. Insert oil level gauge and make sure the engine oil level is within the range shown in the figure.
3. If it is out of range, adjust it.
ENGINE OIL APPEARANCE
 Check engine oil for white turbidity or heavy contamination.
 If engine oil becomes turbid and white, it is highl y probable that it is contaminated with engine coolant.
Repair or replace damaged parts.
ENGINE OIL LEAKAGE
Check for oil leakage around the following area.
Oil pan
 Oil pan drain plug
 Oil pressure switch
 Oil filter
 Oil cooler
 Intake valve timing control cover
 Intake valve timing control solenoid valve
 Front cover
 Chain tensioner cover
 Mating surface between cylinder block and cylinder head
 Mating surface between cylinder head and rocker cover
 Crankshaft oil seals (front and rear)
OIL PRESSURE CHECK
WARNING:
 Be careful not to burn yoursel f, as engine oil may be hot.
 Oil pressure check should be done in “Parking position”.
1. Check the engine oil level. Refer to "ENGINE OIL LEVEL".
2. Remove front engine undercover with power tool.
3. Disconnect harness connector at oil pressure switch, and remove oil pressure switch using deep socket (commercial ser-
vice tool).
CAUTION:
Do not drop or shock oil pressure switch.
PBIC0801E
PBIC1524E
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